: Part of the Osmocom project, this utility decodes and displays Diag messages from various baseband subsystems. Essential Prerequisites
Diagnostic (Diag) mode on Qualcomm-based devices is used for tasks like network troubleshooting, IEMI repair, and performance testing. While specific "OMH" (Optimized Mobile Handset) tools vary by brand, several free methods and general utilities can enable this port in 2023. omh-diag-mode-tool-any-qualcomm-2023-free-tool
: An open-source tool for capturing traffic and interacting with the Qualcomm Diag protocol without requiring proprietary software. : Part of the Osmocom project, this utility
Android Diagnostic Mode - How to Enable it? - Stack Overflow : Part of the Osmocom project